CN110330674A - 一种具有抗菌功能的铝钢板的复合膜及其制备方法 - Google Patents

一种具有抗菌功能的铝钢板的复合膜及其制备方法 Download PDF

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CN110330674A
CN110330674A CN201910424768.4A CN201910424768A CN110330674A CN 110330674 A CN110330674 A CN 110330674A CN 201910424768 A CN201910424768 A CN 201910424768A CN 110330674 A CN110330674 A CN 110330674A
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composite membrane
steel plate
preparation
antibacterial functions
aluminium steel
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潘龙生
谢艾林
袁培震
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Guangmeng (guangzhou) Packaging Co Ltd
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    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/04Oxycellulose; Hydrocellulose
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    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02Starch; Degradation products thereof, e.g. dextrin
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02Cellulose; Modified cellulose
    • C08J2401/04Oxycellulose; Hydrocellulose
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    • C08J2403/00Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2477/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
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Abstract

本发明公开了一种具有抗菌功能的铝钢板的复合膜及其制备方法,复合膜包括按重量份计的以下成分:纳米纤维素0.5‑10份;淀粉0.2‑10份;抗菌肽1‑5份;纳米银1‑10份;甘油5‑10份;复合膜的制备方法包括:复合膜液调制步骤:将纳米纤维素、淀粉和甘油溶解于水中,然后加入抗菌肽,得到复合膜液;成型步骤:将复合膜液倒入模具中,干燥20‑45h,脱模得到初制复合膜;回软步骤:将初制复合膜进行回软、洗涤,然后将纳米银离子溶液喷洒于复合膜的上表面,干燥后得到复合膜;复合膜,用于食品或卫生用品包装盒的内表面,可直接与食品接触,具有抑菌的效果,提高了食品的保鲜期。

Description

一种具有抗菌功能的铝钢板的复合膜及其制备方法
技术领域
本发明涉及一种具有抗菌功能的铝钢板的复合膜及其制备方法,属于复合材料技术领域。
背景技术
金属包装容器是指用金属薄板制造的薄壁包装容器。它广泛应用于食品包装、医药品包装、日用品包装、仪器仪表包装,工业品包装等方面,其中用于食品包装的数量最大。金属包装因为其材质特性,比一般包装抗压能力更好,抗氧化性强,方便运输,不易破损。
但目前包装用的铝钢板,如牙膏管,铝盒肉/罐头,食品容器封口等,当开封后,裸露在空气中,时间长了,就会产生污垢,会滋生细菌,影响人们的身体健康,特别是盛装食品的包装,应需要更严格的抑菌功能,才能满足运输、存放以及携带的要求。
发明内容
为了克服现有技术的不足,本发明的第一个目的在于提供一种具有抗菌功能的铝钢板的复合膜,用于食品或卫生用品包装盒的内表面,可直接与食品接触,具有抑菌的效果,提高了食品的保鲜期。
本发明的第二个目的在于提供一种上述具有抗菌功能的铝钢板的复合膜的制备方法,该制备方法简单高效,可实现工业化生产。
实现本发明的第一个目的可以通过采取如下技术方案达到:一种具有抗菌功能的铝钢板的复合膜,包括按重量份计的以下成分:
进一步地,包括按重量份计的以下成分:
进一步地,包括按重量份计的以下成分:
实现本发明的第二个目的可以通过采取如下技术方案达到:一种如上所述的具有抗菌功能的铝钢板的复合膜的制备方法,包括:
复合膜液调制步骤:将纳米纤维素、淀粉和甘油溶解于水中,然后加入抗菌肽,得到复合膜液;
成型步骤:将复合膜液倒入模具中,在温度为40-65℃的条件下干燥20-45h,脱模得到初制复合膜;
回软步骤:将初制复合膜置于湿度为30-60%、温度为10-30℃的条件下进行回软、洗涤,然后将纳米银离子溶液喷洒于复合膜的上表面,干燥后得到复合膜。
进一步地,成型步骤中,在温度为50-55℃的条件下进行干燥。
进一步地,成型步骤中,干燥30-40h。
进一步地,回软步骤中,将初制复合膜置于湿度为40-55%的条件下进行处理。
进一步地,回软步骤中,将初制复合膜置于温度为15-25℃的条件下进行处理。
进一步地,回软步骤中,纳米银离子喷洒的浓度为400-600μg/m2
进一步地,回软步骤中,将纳米银离子溶液喷洒于复合膜的上表面,在温度为30-45℃的条件下干燥后得到复合膜。
复合膜的应用方式为,可以将复合膜直接在铝钢板的内表面(即与食品接触的一面)成型,也可以将复合膜单独制备后,贴合或者压合于铝钢板的内表面,复合膜的内表面与铝钢板贴合,含有纳米银离子的上表面为与食品直接接触的一面。
相比现有技术,本发明的有益效果在于:
1、本发明具有抗菌功能的铝钢板的复合膜用于食品或卫生用品的包装盒的内表面,可直接与食品或卫生用品接触,具有抑菌的效果,提高了食品的保鲜期,即便是食品或卫生用品开封以后,也可以直接在包装盒中保存一段时间;
2、本发明具有抗菌功能的铝钢板的复合膜的制备方法,简单高效,可实现工业化生产。
具体实施方式
下面,结合具体实施方式,对本发明做进一步描述:
一种具有抗菌功能的铝钢板的复合膜,包括按重量份计的以下成分:
具有抗菌功能的铝钢板的复合膜的制备方法,包括:
复合膜液调制步骤:将纳米纤维素、淀粉和甘油溶解于水中,然后加入抗菌肽,得到复合膜液;
成型步骤:将复合膜液倒入模具中,在温度为40-65℃的条件下干燥20-45h,脱模得到初制复合膜;
回软步骤:将初制复合膜置于湿度为30-60%、温度为10-30℃的条件下进行回软、洗涤,然后将纳米银离子溶液喷洒于复合膜的上表面,纳米银离子喷洒的浓度为400-600μg/m2,在温度为30-45℃的条件下干燥后得到复合膜。
纳米银离子喷洒的浓度即纳米银离子在复合膜上表面的分布浓度,可根据纳米银离子溶液的浓度,设定在复合膜单位面积上的喷洒量,干燥后,使得纳米银离子以400-600μg/m2分布在复合膜上。
实施例1-3:
实施例1-3的成分按重量份计如表格1所示:
表格1实施例1-3的成分参数设置
成分 实施例1 实施例2 实施例3
纳米纤维素 7 6 5
淀粉 3 5 6
抗菌肽 3 3 2.5
纳米银 6 4 3
甘油 7 6 7.5
实施例1-3的加工参数如表格2所示,其制备方法与具体实施方式相同:
表格2实施例1-3的制备方法参数设置
复合膜液浓度是指纳米纤维素、淀粉、甘油和抗菌肽溶于水后,形成的复合膜液的总浓度。
抑菌测试:将实施例1-3的薄膜剪出直径1CM的圆形,置于培养基上,采用抑菌环法(mm)进行抑菌效果的检测,结果如表格3所示:
表格3抑菌环检测结果
菌种 实施例1 实施例2 实施例3
金黄葡萄球菌 15.2 13.4 13.2
大肠杆菌 13.7 12.5 11.6
白色念珠菌 15.8 12.1 12.5
绿脓杆菌 12.1 11.6 10.5
抑菌环小于8mm一般视为无抑菌效果。明显地,实施例1-3大于8mm有良好的抑菌效果,并且实施例1的抑菌效果最好。
对于本领域的技术人员来说,可根据以上描述的技术方案以及构思,做出其它各种相应的改变以及变形,而所有的这些改变以及变形都应该属于本发明权利要求的保护范围之内。

Claims (10)

1.一种具有抗菌功能的铝钢板的复合膜,其特征在于包括按重量份计的以下成分:
2.如权利要求1所述的具有抗菌功能的铝钢板的复合膜,其特征在于包括按重量份计的以下成分:
3.如权利要求1所述的具有抗菌功能的铝钢板的复合膜,其特征在于包括按重量份计的以下成分:
4.一种如权利要求1所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于包括:
复合膜液调制步骤:将纳米纤维素、淀粉和甘油溶解于水中,然后加入抗菌肽,得到复合膜液;
成型步骤:将复合膜液倒入模具中,在温度为40-65℃的条件下干燥20-45h,脱模得到初制复合膜;
回软步骤:将初制复合膜置于湿度为30-60%、温度为10-30℃的条件下进行回软、洗涤,然后将纳米银离子溶液喷洒于复合膜的上表面,干燥后得到复合膜。
5.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述成型步骤中,在温度为50-55℃的条件下进行干燥。
6.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述成型步骤中,干燥30-40h。
7.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述回软步骤中,将初制复合膜置于湿度为40-55%的条件下进行处理。
8.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述回软步骤中,将初制复合膜置于温度为15-25℃的条件下进行处理。
9.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述回软步骤中,纳米银离子喷洒的浓度为400-600μg/m2
10.如权利要求4所述的具有抗菌功能的铝钢板的复合膜的制备方法,其特征在于,所述回软步骤中,将纳米银离子溶液喷洒于复合膜的上表面,在温度为30-45℃的条件下干燥后得到复合膜。
CN201910424768.4A 2019-05-21 2019-05-21 一种具有抗菌功能的铝钢板的复合膜及其制备方法 Pending CN110330674A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008000551A (ja) * 2006-06-26 2008-01-10 Ministry Of National Defense Chung Shan Inst Of Science & Technology 銀ナノ医療湿布材
CN102552965A (zh) * 2012-01-17 2012-07-11 东华大学 一种在线培养制备纳米纤维素抗菌复合材料的方法
CN106750576A (zh) * 2016-12-05 2017-05-31 深圳职业技术学院 一种抗菌复合保鲜膜及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008000551A (ja) * 2006-06-26 2008-01-10 Ministry Of National Defense Chung Shan Inst Of Science & Technology 銀ナノ医療湿布材
CN102552965A (zh) * 2012-01-17 2012-07-11 东华大学 一种在线培养制备纳米纤维素抗菌复合材料的方法
CN106750576A (zh) * 2016-12-05 2017-05-31 深圳职业技术学院 一种抗菌复合保鲜膜及其制备方法

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Application publication date: 20191015